If your original hangers are bent or missing

All pieces install directly like the factory originals

1 Nitro Star F3

0A output range

Traxxas 8279R Ring gear differential/ pinion gear TRX-4 Typhon Parts If your original hangers areTraxxas 8279R Ring gear differential pinion gear TRX 4 This is a genuine Traxxas ring and pinion gear set for the differential on the Traxxas TRX 4. These factory gears restore precise mesh and smooth, reliable power transfer to the axles after long term wear, keeping your TRX 4 crawling with confidence. Made to exact Traxxas specifications for a direct fit installation into the stock differential housing. Genuine Traxxas replacement part #8279R